#!/bin/sh

set -e

if [ $# != 3 ]; then cat >&2 <<END; exit 1; fi
 usage:
  ./program-cv /dev/ttyS0 CV VALUE
 where CV, VALUE are all decimal unless prefixed by 0x or 0.
END

port="$1"; shift
cv="$1"; shift
value="$1"; shift

ho () { ./hostside-old -s"$port" -w20000 -i0 -d "$@"; }

# Packet Sequence for Command Stations/Programmers using Direct Mode
# RP 9.2.3 E l.100-

ho command 10
sleep 1
ho command 11
sleep 1
ho -i10 reset
sleep 1
ho -i10 svc_cvwrite "$cv" "$value"
sleep 1
ho command 10